{"product_id":"mega-coupler-1-2in-hex-head-bolt-black-heavy-duty-truss-clamp","title":"Mega-Coupler 1\/2in Hex Head Bolt Black - Heavy-Duty Truss Clamp","description":"\u003cp\u003eIn this review the Mega-Coupler 1\/2' Hex Head Bolt Black is evaluated as a heavy-duty truss clamp for live sound, lighting, and staging work where secure pipe-to-truss connections are required. The bottom line: it is for technicians and riggers who need a robust clamp that locks reliably and accepts common hardware sizes - the standout reason to buy is its strong grade 8 hex head bolt that sits in a milled hex pocket so the nylock nut can be tightened while the clamp is installed, reducing slippage and installation time.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecure locking bolt:\u003c\/strong\u003e The grade 8 1\/2-13 hex head cap screw locks into a milled hex pocket so the nylock nut can be tightened with the clamp in place for a secure hold.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBroad pipe compatibility:\u003c\/strong\u003e The clamp fastens from 1.25' pipe (1.66' OD) up to 2' OD truss tube, covering the common truss and pipe sizes used in staging.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh working load:\u003c\/strong\u003e With a working load limit of 1,100 lb (500 kg) for 1\/2' and 3\/8' hardware, it handles heavy fixtures and loads used in professional setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMultiple hardware options:\u003c\/strong\u003e Although the review model ships with 1\/2' hardware, the Mega-Coupler is also available for 3\/8' and 1\/4' hardware and with stainless options for corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable construction:\u003c\/strong\u003e The black anodized finish and solid wing nut tabs provide durability and stronger manual adjustments compared with regular steel wing nuts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe Mega-Coupler is best for touring technicians, venue riggers, and production crews that need a reliable clamp to attach lighting fixtures, speakers or pipe sections to 2' OD truss tube or 1.25' to 1.5' pipe. Its strength and compatibility with standard hardware sizes make it appropriate for pro installs where safety and reusability matter.\u003c\/p\u003e\n\u003cp\u003eRiggers who require tool-free rapid adjustments may prefer clamps with larger wing nuts or quick-release mechanisms, and buyers who need metric-only hardware should consider the M-12 or M-10 variants instead of this inch-based model.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHigh working load limit of 1,100 lb (500 kg) for 1\/2' and 3\/8' hardware provides confidence for heavier loads.\u003c\/li\u003e\n\u003cli\u003eGrade 8 hex head bolt in a milled pocket allows tightening the nylock nut while installed, improving safety and installation speed.\u003c\/li\u003e\n\u003cli\u003eBlack anodized finish and solid wing nut tabs increase durability and handling compared with standard wing nuts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNot the fastest option for tool-free adjustments compared with quick-release clamps; initial installation requires a wrench for the grade 8 bolt.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMega-Coupler (MLB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBolt\u003c\/td\u003e\n\u003ctd\u003e1\/2-13 1 1\/4' Hex Head grade 8 zinc plated steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe compatibility\u003c\/td\u003e\n\u003ctd\u003eMinimum 1.25' pipe (1.66' OD) to 1.5' pipe (1.90' OD); fits 2' OD truss tube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Load Limit\u003c\/td\u003e\n\u003ctd\u003e1,100 lb (500 kg) for 1\/2' and 3\/8' hardware; 450 lb for 1\/4' hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIncluded hardware\u003c\/td\u003e\n\u003ctd\u003eNylock nut and 1' Belleville washer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBlack anodized with 14 mm thick base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe Mega-Coupler is a practical, value-minded choice for professional rigging where a secure, mechanically locked connection matters. It is especially well suited to live sound and lighting crews who rely on standard inch hardware and need a clamp that stays tight under load; shoppers wanting tool-free or exclusively metric fittings should consider other options.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat pipe sizes does this clamp fit?\u003c\/strong\u003e\u003cbr\u003eThe clamp fastens from roughly 1.25' pipe with a 1.66' OD up through 1.5' pipe with a 1.90' OD and fits standard 2' OD truss tube.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the working load limit?\u003c\/strong\u003e\u003cbr\u003eRated at 1,100 lb (500 kg) when used with 1\/2' and 3\/8' hardware; 450 lb when used with 1\/4' hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it come with stainless hardware?\u003c\/strong\u003e\u003cbr\u003eThe reviewed black anodized unit ships with zinc plated steel hardware, but the Mega-Coupler is available in versions with stainless steel hardware and other options such as metric bolts.\u003c\/p\u003e","brand":"Light Source","offers":[{"title":"Default Title","offer_id":48728332337371,"sku":"B01F4LCP52","price":41.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/41s1PRft6cL._AC.jpg?v=1778916125","url":"https:\/\/gearmusthave.com\/products\/mega-coupler-1-2in-hex-head-bolt-black-heavy-duty-truss-clamp","provider":"GearMustHave","version":"1.0","type":"link"}